Home / 1,355,417.59-2,033,140.97-408,796.51

Finding the Fourth Proportional to 1,355,417.59, 2,033,140.97 and 408,796.51

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Solution

The fourth proportional to 1,355,417.59, 2,033,140.97 and 408,796.51 is: 613,199.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,417.59 : 2,033,140.97 = 408,796.51 : x
  2. Step 2: Convert to fraction form
    1,355,417.59/2,033,140.97 = 408,796.51/x
  3. Step 3: Cross multiply
    1,355,417.59x = 2,033,140.97 × 408,796.51
  4. Step 4: Simplify right side
    1,355,417.59x = 831,140,932,874.02
  5. Step 5: Solve for x
    x = 831,140,932,874.02/1,355,417.59
  6. Step 6: Final answer
    x = 613,199.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.